What color is #645E58?

#645E58 is a gray, closest to the named color Caveman. It belongs to the gray family of colors.

What is the RGB value of #645E58?

The RGB value is 100, 94, 88: 100 red, 94 green and 88 blue on a 0 to 255 scale.

What is the complementary color of #645E58?

The complementary color is #585E64, found by rotating the hue 180° on the color wheel.

Is black or white text better on #645E58?

White text. Black text has a contrast ratio of 3.28:1 and white text 6.39:1. WCAG asks for at least 4.5:1 for normal text.

#645E58 color

#645E58 rgb(100, 94, 88)

Shades of gray

The hex color #645E58 is a gray.

In the RGB color model it is made of 39.2% red, 36.9% green and 34.5% blue (100, 94, 88).

Its hue angle is 30°, with 6% saturation and 37% lightness. For print, the CMYK equivalent is 0% cyan, 6% magenta, 12% yellow and 61% black.

The closest named color is Caveman (#625C58), a difference of 1.4 ΔE, which is barely visible.

White text is the more readable choice on this background (contrast 6.39:1).

#645E58 color codes

HEX	`#645E58`
RGB	`rgb(100, 94, 88)`
RGB percent	`rgb(39.2%, 36.9%, 34.5%)`
HSL	`hsl(30, 6%, 37%)`
HSV / HSB	`hsv(30, 12%, 39%)`
CMYK	`cmyk(0%, 6%, 12%, 61%)`
CIE LAB	`lab(40.28, 1.23, 4.3)`
CIE LCH	`lch(40.28, 4.47, 74.05)`
CIE XYZ	`xyz(11.02, 11.419, 10.854)`
Decimal	`6577752`
Short hex	`None (no 3-digit form)`

Color harmonies

Colors that go with #645E58, based on their position on the color wheel.

Complementary

The color opposite on the color wheel (180°). Strongest contrast.

Analogous

Neighbors 30° either side. Calm, natural combinations.

Split complementary

The two colors next to the complement (150° and 210°).

Triadic

Three colors evenly spaced, 120° apart.

Tetradic (square)

Four colors 90° apart.

Shades, tints and tones

Shades (darker, mixed with black)

Tints (lighter, mixed with white)

Tones (mixed with gray)

Contrast and accessibility

Text on #645E58	Ratio	AA	AAA	AA large
Sample text	3.28:1	Fail	Fail	Pass
Sample text	6.39:1	Pass	Fail	Pass

#645E58 as text on	Ratio	AA	AAA	AA large
Sample text	6.39:1	Pass	Fail	Pass
Sample text	3.28:1	Fail	Fail	Pass

WCAG 2 asks for 4.5:1 for normal text (AA), 7:1 for AAA, and 3:1 for large text. Check other pairs.

Color blindness simulation

How #645E58 looks to people with the most common types of color vision deficiency.

CSS examples

.background { background-color: #645e58; }
.text { color: #645e58; }
.border { border: 2px solid #645e58; }
.transparent { background-color: rgb(100 94 88 / 50%); }
.gradient { background: linear-gradient(to right, #645e58, #646458); }

Background

Text color

Border

Similar colors

Closest common color name: Dim Gray.

Questions

What color is #645E58?: #645E58 is a gray, closest to the named color Caveman. It belongs to the gray family of colors.
What is the RGB value of #645E58?: The RGB value is 100, 94, 88: 100 red, 94 green and 88 blue on a 0 to 255 scale.
What is the complementary color of #645E58?: The complementary color is #585E64, found by rotating the hue 180° on the color wheel.
Is black or white text better on #645E58?: White text. Black text has a contrast ratio of 3.28:1 and white text 6.39:1. WCAG asks for at least 4.5:1 for normal text.